//
// test replaceElementAt() member function.
//
// assumes constructors work.
//
// assumes lstring is implemented using a Seq<char> as the first/only
//   member variable.
//

#include <iostream.h>
#include <stdlib.h>		// has EXIT_SUCCESS
#include "lstring.h"

#include "testsub.h"		// has functions for testing

void replaceOne(lstring & s, const lstring::length_pos p, 
		const char c) {
  s.replaceElementAt(p, c);
  cout << "after replacing character " << p << " with " << c;
  printWithMsg(":  ", s);
}

int main(void) {

  lstring wxyz("wxyz");

  printWithMsg("original string:  ", wxyz);
  replaceOne(wxyz, 1, 'b');
  replaceOne(wxyz, 2, 'c');
  replaceOne(wxyz, 0, 'a');
  replaceOne(wxyz, 3, 'd');

  cout << "That's all, folks!\n";

  return EXIT_SUCCESS;
}